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Finding the Third Proportional to 156,733 and 236,240

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Solution

The third proportional to 156,733 and 236,240 is: 356,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733 : 236,240 = 236,240 : x
  2. Step 2: Convert to fraction form
    156,733/236,240 = 236,240/x
  3. Step 3: Cross multiply
    156,733x = 236,240 × 236,240
  4. Step 4: Simplify right side
    156,733x = 55,809,337,600
  5. Step 5: Solve for x
    x = 55,809,337,600/156,733
  6. Step 6: Final answer
    x = 356,079.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.